1792 – Cathedral of the Holy Trinity, Downpatrick, Co. Down Architect: Charles Lilly / William Farrell / Welland & Gillespie, The cathedral incorporates parts of the 13th-century church of the Benedictine Abbey of Down.
1818 – Braganza House, Carlow, Co. Carlow Architect: Thomas A. Cobden Originally built for Col. Sir Dudley Hill by Thomas A. Cobden, later the architect of the nearby Roman Catholic Cathedral.
1820s – Gatehouse, St. Patrick’s College, Carlow Architect: Thomas A. Cobden Gatehouse, presumed to have been designed by Cobden who designed much of the college buildings.
1830 – Duckett’s Grove, Carlow, Co. Carlow Architect: Thomas A. Cobden / John Macduff Derick In his book A Guide to Irish Country Houses Mark Bence-Jones describes Duckett’s Grove as a “square house of two and three storeys,
1833 – Cathedral of the Assumption, Carlow, Co. Carlow Architect: Thomas A. Cobden The construction of Carlow Cathedral started in 1826 under the supervision of the architect Joseph Lynch who was succeeded by the architect Thomas Cobden in 1829 who changed the design.
1840 – St Michael’s Church, Portarlington, Co. Laois Architect: Thomas A. Cobden / T.F. McNamara Mainly attributed to Thomas A. Cobden on the basis that the parish priest of the time of construction was the administrator of Carlow during the construction of the cathedral there.
1841 – Browne-Clayton Monument, Carrigbyrne, Co. Wexford Architect: Thomas A. Cobden Started in 1839 by General Robert Browne-Clayton as a memorial to his late commander Sir Ralph Abercromby,